KR960003836B1 - 무선 수신기 및 if 주파수 유지방법 - Google Patents

무선 수신기 및 if 주파수 유지방법 Download PDF

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Publication number
KR960003836B1
KR960003836B1 KR1019880004236A KR880004236A KR960003836B1 KR 960003836 B1 KR960003836 B1 KR 960003836B1 KR 1019880004236 A KR1019880004236 A KR 1019880004236A KR 880004236 A KR880004236 A KR 880004236A KR 960003836 B1 KR960003836 B1 KR 960003836B1
Authority
KR
South Korea
Prior art keywords
signal
frequency
phase
providing
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
KR1019880004236A
Other languages
English (en)
Korean (ko)
Other versions
KR880013332A (ko
Inventor
엠. 엑크런드 로렌스
Original Assignee
모토로라 인코포레이티드
빈센트 죠셉로너
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 모토로라 인코포레이티드, 빈센트 죠셉로너 filed Critical 모토로라 인코포레이티드
Publication of KR880013332A publication Critical patent/KR880013332A/ko
Application granted granted Critical
Publication of KR960003836B1 publication Critical patent/KR960003836B1/ko
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Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
    • H03J7/10—Modification of automatic frequency control sensitivity or linearising automatic frequency control operation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
    • H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
KR1019880004236A 1987-04-15 1988-04-14 무선 수신기 및 if 주파수 유지방법 Expired - Fee Related KR960003836B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US038,563 1987-04-15
US07/038,563 US4782532A (en) 1987-04-15 1987-04-15 Automatic IF tangent lock control circuit

Publications (2)

Publication Number Publication Date
KR880013332A KR880013332A (ko) 1988-11-30
KR960003836B1 true KR960003836B1 (ko) 1996-03-22

Family

ID=21900649

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880004236A Expired - Fee Related KR960003836B1 (ko) 1987-04-15 1988-04-14 무선 수신기 및 if 주파수 유지방법

Country Status (11)

Country Link
US (1) US4782532A (enrdf_load_stackoverflow)
JP (1) JPS63263926A (enrdf_load_stackoverflow)
KR (1) KR960003836B1 (enrdf_load_stackoverflow)
CN (1) CN1015854B (enrdf_load_stackoverflow)
AU (1) AU594286B2 (enrdf_load_stackoverflow)
BR (1) BR8801268A (enrdf_load_stackoverflow)
CA (1) CA1296776C (enrdf_load_stackoverflow)
GB (1) GB2203908B (enrdf_load_stackoverflow)
HK (1) HK11094A (enrdf_load_stackoverflow)
IN (1) IN170411B (enrdf_load_stackoverflow)
MX (1) MX168451B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5222144A (en) * 1991-10-28 1993-06-22 Ford Motor Company Digital quadrature radio receiver with two-step processing
IL132161A (en) 1999-09-30 2002-09-12 Netmor Ltd Digital coherent envelope demodulation of fdma signals
EP2725712A1 (fr) * 2012-10-26 2014-04-30 EM Microelectronic-Marin SA Système récepteur amélioré

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583244A (en) * 1984-06-21 1986-04-15 Motorola, Inc. Automatic frequency control for local oscillator used with an AM stereo decoder
CA1238953A (en) * 1985-02-01 1988-07-05 Nec Corporation Mixer circuit

Also Published As

Publication number Publication date
GB8803777D0 (en) 1988-03-16
GB2203908B (en) 1991-10-23
JPS63263926A (ja) 1988-10-31
MX168451B (es) 1993-05-25
CN88101130A (zh) 1988-10-26
HK11094A (en) 1994-02-09
AU1140688A (en) 1988-10-20
GB2203908A (en) 1988-10-26
BR8801268A (pt) 1988-10-25
US4782532A (en) 1988-11-01
CN1015854B (zh) 1992-03-11
IN170411B (enrdf_load_stackoverflow) 1992-03-21
KR880013332A (ko) 1988-11-30
AU594286B2 (en) 1990-03-01
CA1296776C (en) 1992-03-03
JPH0580177B2 (enrdf_load_stackoverflow) 1993-11-08

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